Aeroquip FCM2053 Flare Union Adapters (AN 815)

One of the most common ways the seat or cone on aluminum fittings and adaptors can be damaged is by over-tightening If the fitting has been over-tightened, it may be damaged and prone to leaks. Dirt and debris on the sealing surface are also common source of leaks.

Nut Size

Min Torque¹

Max Torque¹

-02

50

80

-03

70

105

-04

100

140

-05

130

180

-06

150

195

-08

270

350

-10

360

430

-12

460

550

¹ Torque values are shown in inch pounds for aluminum fittings

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